Is there a way to tell if I am on a XEN or KVM linux server? Reason I asked is nothing is on top yet I am seeing load averages high well after I do tasks and I am getting hangs/spikes when I do simple tasks

I don't have anything like that so this looks like a dedicated server.
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Rachel NarkMay 18 '12 at 14:42

I don't know what kind of output one would get with KVM or XEN. There is always the possibility that they spoof actual hardware. Other than asking the system administrator, there may not be a way to definitively determine whether it is a virtual machine.
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William JacksonMay 18 '12 at 16:28